Monacor SP-12/100PA
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 55 Hz |
| Qts | 0.456 |
| Qes | 0.51 |
| Qms | 4.34 |
| Vas | 68 L |
| Sd | 531 cm² |
| Xmax | 2.5 mm |
| Re | 6.8 Ω |
| Bl | 15 T·m |
| Mms | 48.7 g |
| Pe | 100 W |
| Sensitivity | 96.1 dB |
Alignment hint
| EBP | 108 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 48.4 L |
EBP > 100: favours a ported (bass-reflex) alignment.
Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.
Substitute candidates
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| Monacor SP-12/100PA v3 | 56.4 +1.4 | 0.491 +0.03 | 66.7 -1.3 | 3 +0.5 | 96.5 +0.4 | close | + | |
| Monacor SP-12/100PA v1 | 53.3 -1.7 | 0.472 +0.02 | 74.8 +6.8 | 3.3 +0.8 | 96.4 +0.3 | close | + | |
| RCF L12CX2K | 59.7 +4.7 | 0.46 = | 65 -3 | 4 +1.5 | 96.3 +0.2 | close | 75 W vs 100 W: lower power handling | + |
| Monacor SP-12/100PA v4 | 52.5 -2.5 | 0.462 +0.01 | 77.3 +9.3 | 3.3 +0.8 | 96.4 +0.3 | close | + | |
| Monacor SPA-30PA | 49 -6 | 0.45 -0.01 | 67 -1 | 3 +0.5 | 94.9 -1.2 | close | + | |
| Fane SOVEREIGN 12-300 vp | 54 -1 | 0.455 = | 59 -9 | 4.5 +2 | 96.2 +0.1 | close | + | |
| Audax PR330T0 | 55 = | 0.435 -0.02 | 73.7 +5.7 | 3.7 +1.2 | 97.3 +1.2 | close | + | |
| Celestion BN12-300X | 56.2 +1.2 | 0.479 +0.02 | 61.2 -6.8 | 4 +1.5 | 96.1 = | close | + | |
| Eminence DELTA 12 LF v2 | 51 -4 | 0.477 +0.02 | 67.9 -0.1 | 4.6 +2.1 | 95.7 -0.4 | close | + | |
| Eminence DELTA 12 LFA | 51 -4 | 0.477 +0.02 | 67.9 -0.1 | 4.8 +2.3 | 95.7 -0.4 | close | + |
Compare the closest 3 against the SP-12/100PA →
Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.
Used in enclosures (0)
No enclosure in the catalog uses this driver yet.